Rene Walter/Flickr
He built one of the biggest antivirus companies to date, and yet it's what happened after this chapter of his life that made him a legend.
McAfee once lived in Belize and allegedly got caught up with drugs and other illegal activities.
Since then, he's made a bid to run for president, founded his own political party, and was recently named the chairman and CEO of a mysterious new company.
Here's a look into who the man once was, what he became, and where he is now.
Trust us - it's a wild ride.